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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
In the protocol specifications of Modbus, there are 5 and 6 digit addresses, each address starting with a specific number for the register type. Which number below starts the holding registers addresses?
SCADA control systems are similar to other control system, but the components for a SCADA system vary slightly. Which of the components below would be designed to reduce intermittent communication?
Alarm management is based upon the process conditions model. Which of the conditions in that model could be described as the acceptable operating conditions?
Digital valve positioners are best defined as which of the following answers?
Which of the answers below best represents the maximum number of devices that can be connected to an H1 multidrop bus network?
In the unbalanced signal transmission system, which answer best represents the number 1?
A HMI requires secure access to it's configuration database. Which of the terms below is best described as engineering level software package?
There are several types of converters. Which one of the answers below is best known as a "Bridges"?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the smallest in area covered?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to read the input status of coils on a slave device ?
Which of the answers below best represents the second bit sent in a RS-232 asynchronous frame?
Software for programming or configuration is an integral part of any HMI. Which of the interfaces below can be best described as having the ability to design the GUI, including configuring tags and introducing specialized scripting?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to request the coils ON/OFF status of inputs # 10197 to 10218 from a slave device?
The limits of a OUT parameter status field has several different classifications. Which of the classifications below can be described as the indication of a parameter above the URV?
There are several different network access methods available to wired Ethernet. Which of the methods below is the one used by wired Ethernet?
DCS commonly is considered a computerised control system for a plant that has central operator supervisory control. Which of the terms below is best described as a system that allows for exchange of data throughout, but can have remote systems within the system?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of an input register?
The data link layer of the OSI manages access to be able to transmit data. Which of the answers below represents a all typical access method?
There are several types of converters. Which one of the answers below is best known as a "Repeater"?
Which of the answers below best represents the recommended standard that uses a UART chip?
Balanced and unbalanced signal systems have several differences. Which of the answers below best represents one of those differences?
There are several types of converters. Which one of the answers below is best known as a "Repeater"?
Twisted pair to fiber optic is the best example of which of the following converters?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the hub interacts with?
In IPv4, it is possible to divide the class of network into a smaller network. Which of the terms below best describes this process?